peores
Peores is the plural form of the Spanish adjective peores, which marks a higher degree of negativity in comparisons. It is the plural counterpart of the comparative form peor, the word used to indicate that something is worse than another thing. The singular form pe or is used for both masculine and feminine nouns in the singular: el día peor, la noche peor.
In the plural, peores applies to both genders: los días peores, las noches peores. On the other
Etymology-wise, peores derives from the Latin peior, the comparative form of malus meaning bad. It shares cognates
Usage notes: peores is commonly used with que to compare two items (Este libro es peor que